document.write( "Question 1207563: If x + y is equals to 4 find maximum or minimum
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Algebra.Com's Answer #845509 by Edwin McCravy(20055) $\"\"$ $\"About$

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document.write( "Let V = the value that we want to maximize or minimize\r\n" );
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document.write( ", where  or \r\n" );
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document.write( "That is a parabola opening upward, so it has a minimum value but no maximum\r\n" );
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document.write( "Use the vertex formula to find the x-coordinate of the minimum point:\r\n" );
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document.write( "Substituting in \r\n" );
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document.write( "So the minimum value is 8, which occurs when x=2, and y = 4-x = 4-2 = 2.\r\n" );
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document.write( "Edwin

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